#include <stdio.h>
#include <stdlib.h>

int test() {
    int a = 5;
    int b = 3;
}

int main() {
    printf("start test.\n");
    int i = 5;
    do {
        printf(" ------- %d.\n", i);
        if (i == 3) {
            continue;
        }

        test();

        printf("start ------- %d.\n", i);
    } while(i-- > 0);

    return 0;
}